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	Anfangsbuchstabe O


	O
	o-
	object-oriented program
	objective
	oblate spheroid
	oblique
	observable
	obtuse angle
	Occam's razor (Ockham's razor)
	occlusion
	occultation
	occupation number
	ochre codon
	octadecanoic acid
	octagon
	octahedral
	octahedron
	octane
	octane number
	octant
	octet rule
	ocular
	odd function
	odd number
	odd parity
	oesophagus (US esophagus)
	oestrogen (US estrogen)
	oestrous cycle
	off-line
	ohm
	Ohm's law
	oil
	oil of wintergreen
	Olbersâ€™ paradox
	olefin
	oleic acid (cis-octadec-9-enoic acid)
	oleum
	olfaction
	oligo-
	Oligocene
	oligomeric
	oligosaccharide
	oligotrophic
	olivine
	omega-minus
	omnivore
	on-line
	oncogene
	one-to-one correspondence
	ontogeny
	oocyte
	oogenesis
	oogonium
	op-amp
	opal
	opaque
	open circuit
	open cluster
	open reading frame
	open set
	open system
	open-hearth furnace
	operating point
	operating system
	operational amplifier (op-amp)
	operator
	operon
	opiate
	opium
	opposition
	opsin
	optic axis
	optical activity
	optical axis
	optical centre
	optical fibre
	optical glass
	optical isomer
	optical path
	optical pumping
	optical pyrometer
	optical telescope
	optically flat
	optics
	optoelectronics
	optoisolator
	oral contraceptive
	orbit
	orbital
	orbital angular momentum
	orbital angular momentum quantum number (azimuthal quantum number)
	order
	order of diffraction
	order of magnitude
	order of reaction
	ordinal number
	ordinary ray
	ordinate
	Ordovician
	ore
	organ
	organelle
	organic chemistry
	organism
	organometallic chemistry
	origin
	origin of replication
	ornithine
	orphon
	orpiment
	ortho
	orthoclase
	orthogonal
	orthonormal
	orthophosphoric acid
	orthorhombic
	Os
	oscillation
	oscillator
	oscilloscope (cathode-ray oscilloscope, CRO)
	osmiridium
	osmium
	osmoregulation
	osmosis
	osteoblast
	osteoclast
	Ostwald process
	Ostwald's dilution law
	Ostwald's isolation method
	Otto cycle
	ounce
	outbreeding (exogamy)
	outer ear
	outer planets
	output impedance
	ovary
	overdamped
	overlap
	overtone
	overvoltage (overpotential)
	oviduct (Fallopian tube)
	ovulation
	ovule
	ovum (plural ova)
	oxalate
	oxalic acid
	oxidant (oxidizing agent)
	oxidation
	oxidation number (oxidation state)
	oxidative phosphorylation
	oxide
	oxidizing agent
	oxime
	oxirane
	oxoacid (oxyacid)
	oxoanion (oxyanion)
	oxonium ion (hydronium ion, hydroxonium ion)
	oxyacetylene flame
	oxyacid
	oxyanion
	oxygen
	oxygen carrier
	oxygen debt
	oxygen transport
	oxyhaemoglobin
	oxytetracycline (Terramycin)
	oxytocin
	oz
	ozone (trioxygen)
	ozone hole
	ozone layer
	ozonolysis

Anfangsbuchstabe O